27551097 has 28 divisors (see below), whose sum is σ = 47217600. Its totient is φ = 15740568.

The previous prime is 27551093. The next prime is 27551099. The reversal of 27551097 is 79015572.

It is not a de Polignac number, because 27551097 - 2² = 27551093 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (27551093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2404 + ... + 7802.

Almost surely, 2^27551097 is an apocalyptic number.

27551097 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

27551097 is a deficient number, since it is larger than the sum of its proper divisors (19666503).

27551097 is an frugal number, since it uses more digits than its factorization.

27551097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5424 (or 5409 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 27551097 is about 5248.9138876533. The cubic root of 27551097 is about 302.0273683952.

The spelling of 27551097 in words is "twenty-seven million, five hundred fifty-one thousand, ninety-seven".